drivers/reset/hisilicon/reset-hi3660.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
The probe process may generate EPROBE_DEFER. In this case,
dev_err_probe can still record err information.
This helps simplify code and standardize error output.
Signed-off-by: Wang Ming <machel@vivo.com>
---
drivers/reset/hisilicon/reset-hi3660.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/reset/hisilicon/reset-hi3660.c b/drivers/reset/hisilicon/reset-hi3660.c
index 965f5ceba7d8..bc8fee6dc14e 100644
--- a/drivers/reset/hisilicon/reset-hi3660.c
+++ b/drivers/reset/hisilicon/reset-hi3660.c
@@ -90,7 +90,7 @@ static int hi3660_reset_probe(struct platform_device *pdev)
"hisi,rst-syscon");
}
if (IS_ERR(rc->map)) {
- dev_err(dev, "failed to get hisilicon,rst-syscon\n");
+ dev_err_probe(dev, "failed to get hisilicon,rst-syscon\n");
return PTR_ERR(rc->map);
}
--
2.25.1
Hi Wang, kernel test robot noticed the following build warnings: [auto build test WARNING on pza/reset/next] [also build test WARNING on pza/imx-drm/next linus/master v6.5-rc2 next-20230718] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Wang-Ming/reset-hisilicon-Use-dev_err_probe-instead-of-dev_err/20230718-203055 base: https://git.pengutronix.de/git/pza/linux reset/next patch link: https://lore.kernel.org/r/20230718030511.16065-1-machel%40vivo.com patch subject: [PATCH v1] reset: hisilicon: Use dev_err_probe instead of dev_err config: arm-defconfig (https://download.01.org/0day-ci/archive/20230719/202307190847.UjE7NAlJ-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230719/202307190847.UjE7NAlJ-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202307190847.UjE7NAlJ-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/reset/hisilicon/reset-hi3660.c: In function 'hi3660_reset_probe': >> drivers/reset/hisilicon/reset-hi3660.c:93:36: warning: passing argument 2 of 'dev_err_probe' makes integer from pointer without a cast [-Wint-conversion] 93 | dev_err_probe(dev, "failed to get hisilicon,rst-syscon\n"); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | | | char * In file included from include/linux/platform_device.h:13, from include/linux/of_device.h:5, from drivers/reset/hisilicon/reset-hi3660.c:9: include/linux/device.h:1091:64: note: expected 'int' but argument is of type 'char *' 1091 | __printf(3, 4) int dev_err_probe(const struct device *dev, int err, const char *fmt, ...); | ~~~~^~~ drivers/reset/hisilicon/reset-hi3660.c:93:17: error: too few arguments to function 'dev_err_probe' 93 | dev_err_probe(dev, "failed to get hisilicon,rst-syscon\n"); | ^~~~~~~~~~~~~ include/linux/device.h:1091:20: note: declared here 1091 | __printf(3, 4) int dev_err_probe(const struct device *dev, int err, const char *fmt, ...); | ^~~~~~~~~~~~~ vim +/dev_err_probe +93 drivers/reset/hisilicon/reset-hi3660.c 75 76 static int hi3660_reset_probe(struct platform_device *pdev) 77 { 78 struct hi3660_reset_controller *rc; 79 struct device_node *np = pdev->dev.of_node; 80 struct device *dev = &pdev->dev; 81 82 rc = devm_kzalloc(dev, sizeof(*rc), GFP_KERNEL); 83 if (!rc) 84 return -ENOMEM; 85 86 rc->map = syscon_regmap_lookup_by_phandle(np, "hisilicon,rst-syscon"); 87 if (rc->map == ERR_PTR(-ENODEV)) { 88 /* fall back to the deprecated compatible */ 89 rc->map = syscon_regmap_lookup_by_phandle(np, 90 "hisi,rst-syscon"); 91 } 92 if (IS_ERR(rc->map)) { > 93 dev_err_probe(dev, "failed to get hisilicon,rst-syscon\n"); 94 return PTR_ERR(rc->map); 95 } 96 97 rc->rst.ops = &hi3660_reset_ops, 98 rc->rst.of_node = np; 99 rc->rst.of_reset_n_cells = 2; 100 rc->rst.of_xlate = hi3660_reset_xlate; 101 102 return reset_controller_register(&rc->rst); 103 } 104 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
Hi Wang, kernel test robot noticed the following build errors: [auto build test ERROR on pza/reset/next] [also build test ERROR on linus/master v6.5-rc2 next-20230718] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Wang-Ming/reset-hisilicon-Use-dev_err_probe-instead-of-dev_err/20230718-203055 base: https://git.pengutronix.de/git/pza/linux reset/next patch link: https://lore.kernel.org/r/20230718030511.16065-1-machel%40vivo.com patch subject: [PATCH v1] reset: hisilicon: Use dev_err_probe instead of dev_err config: arm-randconfig-r003-20230718 (https://download.01.org/0day-ci/archive/20230719/202307191040.jWQyBc5s-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce: (https://download.01.org/0day-ci/archive/20230719/202307191040.jWQyBc5s-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202307191040.jWQyBc5s-lkp@intel.com/ All errors (new ones prefixed by >>): >> drivers/reset/hisilicon/reset-hi3660.c:93:60: error: too few arguments to function call, expected at least 3, have 2 93 | dev_err_probe(dev, "failed to get hisilicon,rst-syscon\n"); | ~~~~~~~~~~~~~ ^ include/linux/device.h:1091:20: note: 'dev_err_probe' declared here 1091 | __printf(3, 4) int dev_err_probe(const struct device *dev, int err, const char *fmt, ...); | ^ 1 error generated. vim +93 drivers/reset/hisilicon/reset-hi3660.c 75 76 static int hi3660_reset_probe(struct platform_device *pdev) 77 { 78 struct hi3660_reset_controller *rc; 79 struct device_node *np = pdev->dev.of_node; 80 struct device *dev = &pdev->dev; 81 82 rc = devm_kzalloc(dev, sizeof(*rc), GFP_KERNEL); 83 if (!rc) 84 return -ENOMEM; 85 86 rc->map = syscon_regmap_lookup_by_phandle(np, "hisilicon,rst-syscon"); 87 if (rc->map == ERR_PTR(-ENODEV)) { 88 /* fall back to the deprecated compatible */ 89 rc->map = syscon_regmap_lookup_by_phandle(np, 90 "hisi,rst-syscon"); 91 } 92 if (IS_ERR(rc->map)) { > 93 dev_err_probe(dev, "failed to get hisilicon,rst-syscon\n"); 94 return PTR_ERR(rc->map); 95 } 96 97 rc->rst.ops = &hi3660_reset_ops, 98 rc->rst.of_node = np; 99 rc->rst.of_reset_n_cells = 2; 100 rc->rst.of_xlate = hi3660_reset_xlate; 101 102 return reset_controller_register(&rc->rst); 103 } 104 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
I resubmitted version v2. -----邮件原件----- 发件人: kernel test robot <lkp@intel.com> 发送时间: 2023年7月19日 10:57 收件人: 王明-软件底层技术部 <machel@vivo.com>; Philipp Zabel <p.zabel@pengutronix.de>; linux-kernel@vger.kernel.org 抄送: llvm@lists.linux.dev; oe-kbuild-all@lists.linux.dev; opensource.kernel <opensource.kernel@vivo.com> 主题: Re: [PATCH v1] reset: hisilicon: Use dev_err_probe instead of dev_err Hi Wang, kernel test robot noticed the following build errors: [auto build test ERROR on pza/reset/next] [also build test ERROR on linus/master v6.5-rc2 next-20230718] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Wang-Ming/reset-hisilicon-Use-dev_err_probe-instead-of-dev_err/20230718-203055 base: https://git.pengutronix.de/git/pza/linux reset/next patch link: https://lore.kernel.org/r/20230718030511.16065-1-machel%40vivo.com patch subject: [PATCH v1] reset: hisilicon: Use dev_err_probe instead of dev_err config: arm-randconfig-r003-20230718 (https://download.01.org/0day-ci/archive/20230719/202307191040.jWQyBc5s-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce: (https://download.01.org/0day-ci/archive/20230719/202307191040.jWQyBc5s-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: | https://lore.kernel.org/oe-kbuild-all/202307191040.jWQyBc5s-lkp@intel. | com/ All errors (new ones prefixed by >>): >> drivers/reset/hisilicon/reset-hi3660.c:93:60: error: too few >> arguments to function call, expected at least 3, have 2 93 | dev_err_probe(dev, "failed to get hisilicon,rst-syscon\n"); | ~~~~~~~~~~~~~ ^ include/linux/device.h:1091:20: note: 'dev_err_probe' declared here 1091 | __printf(3, 4) int dev_err_probe(const struct device *dev, int err, const char *fmt, ...); | ^ 1 error generated. vim +93 drivers/reset/hisilicon/reset-hi3660.c 75 76 static int hi3660_reset_probe(struct platform_device *pdev) 77 { 78 struct hi3660_reset_controller *rc; 79 struct device_node *np = pdev->dev.of_node; 80 struct device *dev = &pdev->dev; 81 82 rc = devm_kzalloc(dev, sizeof(*rc), GFP_KERNEL); 83 if (!rc) 84 return -ENOMEM; 85 86 rc->map = syscon_regmap_lookup_by_phandle(np, "hisilicon,rst-syscon"); 87 if (rc->map == ERR_PTR(-ENODEV)) { 88 /* fall back to the deprecated compatible */ 89 rc->map = syscon_regmap_lookup_by_phandle(np, 90 "hisi,rst-syscon"); 91 } 92 if (IS_ERR(rc->map)) { > 93 dev_err_probe(dev, "failed to get hisilicon,rst-syscon\n"); 94 return PTR_ERR(rc->map); 95 } 96 97 rc->rst.ops = &hi3660_reset_ops, 98 rc->rst.of_node = np; 99 rc->rst.of_reset_n_cells = 2; 100 rc->rst.of_xlate = hi3660_reset_xlate; 101 102 return reset_controller_register(&rc->rst); 103 } 104 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
Hi Wang, kernel test robot noticed the following build errors: [auto build test ERROR on pza/reset/next] [also build test ERROR on pza/imx-drm/next linus/master v6.5-rc2 next-20230718] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Wang-Ming/reset-hisilicon-Use-dev_err_probe-instead-of-dev_err/20230718-203055 base: https://git.pengutronix.de/git/pza/linux reset/next patch link: https://lore.kernel.org/r/20230718030511.16065-1-machel%40vivo.com patch subject: [PATCH v1] reset: hisilicon: Use dev_err_probe instead of dev_err config: arm-defconfig (https://download.01.org/0day-ci/archive/20230719/202307191252.hZvUCt7Q-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230719/202307191252.hZvUCt7Q-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202307191252.hZvUCt7Q-lkp@intel.com/ All errors (new ones prefixed by >>): drivers/reset/hisilicon/reset-hi3660.c: In function 'hi3660_reset_probe': drivers/reset/hisilicon/reset-hi3660.c:93:36: warning: passing argument 2 of 'dev_err_probe' makes integer from pointer without a cast [-Wint-conversion] 93 | dev_err_probe(dev, "failed to get hisilicon,rst-syscon\n"); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | | | char * In file included from include/linux/platform_device.h:13, from include/linux/of_device.h:5, from drivers/reset/hisilicon/reset-hi3660.c:9: include/linux/device.h:1091:64: note: expected 'int' but argument is of type 'char *' 1091 | __printf(3, 4) int dev_err_probe(const struct device *dev, int err, const char *fmt, ...); | ~~~~^~~ >> drivers/reset/hisilicon/reset-hi3660.c:93:17: error: too few arguments to function 'dev_err_probe' 93 | dev_err_probe(dev, "failed to get hisilicon,rst-syscon\n"); | ^~~~~~~~~~~~~ include/linux/device.h:1091:20: note: declared here 1091 | __printf(3, 4) int dev_err_probe(const struct device *dev, int err, const char *fmt, ...); | ^~~~~~~~~~~~~ vim +/dev_err_probe +93 drivers/reset/hisilicon/reset-hi3660.c 75 76 static int hi3660_reset_probe(struct platform_device *pdev) 77 { 78 struct hi3660_reset_controller *rc; 79 struct device_node *np = pdev->dev.of_node; 80 struct device *dev = &pdev->dev; 81 82 rc = devm_kzalloc(dev, sizeof(*rc), GFP_KERNEL); 83 if (!rc) 84 return -ENOMEM; 85 86 rc->map = syscon_regmap_lookup_by_phandle(np, "hisilicon,rst-syscon"); 87 if (rc->map == ERR_PTR(-ENODEV)) { 88 /* fall back to the deprecated compatible */ 89 rc->map = syscon_regmap_lookup_by_phandle(np, 90 "hisi,rst-syscon"); 91 } 92 if (IS_ERR(rc->map)) { > 93 dev_err_probe(dev, "failed to get hisilicon,rst-syscon\n"); 94 return PTR_ERR(rc->map); 95 } 96 97 rc->rst.ops = &hi3660_reset_ops, 98 rc->rst.of_node = np; 99 rc->rst.of_reset_n_cells = 2; 100 rc->rst.of_xlate = hi3660_reset_xlate; 101 102 return reset_controller_register(&rc->rst); 103 } 104 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
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